package com.qk.mapper;

import com.qk.entity.Course;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface CourseMapper {
    List<Course> listCourse(String name, Integer subject, Integer target);

    @Delete("delete from course where id = #{id}")
    void deleteById(Integer id);

    @Insert("insert into course (subject, name, price, target, description, create_time, update_time) VALUES " +
            "(#{subject},#{name},#{price},#{target},#{description},#{createTime},#{updateTime})")
    void addCourse(Course course);

    @Select("select id, subject, name, price, target, description, create_time, update_time" +
            " from course where id = #{id}")
    Course getById(Integer id);

    void updateCourse(Course course);

    @Select("select id, subject, name, price, target, description, create_time, update_time from course")
    List<Course> getAll();

    @Select("select id, subject, name, price, target, description, create_time, update_time from course " +
            "where subject = #{subject}")
    List<Course> listCourseBySubject(Integer subject);
}
